CN112886973A - Radio frequency circuit and electronic equipment - Google Patents
Radio frequency circuit and electronic equipment Download PDFInfo
- Publication number
- CN112886973A CN112886973A CN202110117809.2A CN202110117809A CN112886973A CN 112886973 A CN112886973 A CN 112886973A CN 202110117809 A CN202110117809 A CN 202110117809A CN 112886973 A CN112886973 A CN 112886973A
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- transceiver
- switch
- circuit
- radio frequency
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The application discloses radio frequency circuit and electronic equipment belongs to the technical field of communication. The radio frequency circuit includes: the antenna comprises a radio frequency transceiver, a first transceiver circuit, a second transceiver circuit, a third transceiver circuit, a switch device group and an antenna group; the radio frequency transceiver is respectively connected with the first end of the first transceiver circuit, the first end of the second transceiver circuit and the first end of the third transceiver circuit; the second end of the first transceiver circuit, the second end of the second transceiver circuit and the second end of the third transceiver circuit are connected with the antenna group through a switch device group; wherein the switching device group comprises a plurality of double-pole double-throw switches. The connection between the radio frequency transceiver of the electronic equipment and the antenna group can be realized through the double-pole double-throw switches, signals sent by the radio frequency transceiver are switched among the antennas in the antenna group through the double-pole double-throw switches, and the double-pole double-throw switches are small in size, so that the radio frequency transmitting and receiving performance of the mobile terminal is improved, and the radio frequency power consumption can be reduced.
Description
Technical Field
The application belongs to the technical field of communication, and particularly relates to a radio frequency circuit and electronic equipment.
Background
With the progress of science and technology, the communication requirements of users are not satisfied at present, and 5G mobile terminals are produced. Currently, a 5G NR (new radio, new air interface) mobile communication network includes two networking modes, namely Non-independent Networking (NSA) and independent networking (SA). The NSA anchors a control plane on an LTE (Long Term Evolution) network by relying on an existing LTE network, and user plane data is carried by a 5G NR network or carried by both the 5G NR network and the LTE network; the SA independently carries a complete control panel and a user plane, and independently provides communication services for users, but the SA needs to deploy a 5G end-to-end brand new network including an access network and a core network, the construction period and cost are higher than those of the NSA mode, and currently, the construction of the 5G network of a mainstream operator selects to evolve from the NSA to the SA step by step.
In 5G mobile communication, an SRS (Sounding reference signal) function is added, which requires a hardware terminal to support switching of TX (transmission) signals among different antennas, and currently, there are several well-defined SRS antenna switching methods:
1T 2R: the terminal supports one path of transmission, and a TX signal can be switched between two antennas;
2T 4R: the terminal supports two paths of transmission, and 2 paths of TX signals can be switched on four antennas respectively;
1T 4R: the terminal supports one-way transmission, and TX can be switched on four antennas.
Therefore, a multi-pole multi-throw switch such as a four-pole four-throw switch or a three-pole three-throw switch is needed to ensure that signals are switched on a plurality of antennas, but the multi-pole multi-throw switch has large insertion loss, high price, large size and difficult layout in practical use, the performance of the mobile terminal can be reduced, and the radio frequency power consumption of the mobile terminal can be increased.
Disclosure of Invention
The embodiment of the application provides a radio frequency circuit and electronic equipment, and can solve the problems that a multi-pole multi-throw switch is adopted to ensure that signals are switched on a plurality of antennas in the prior art, but the multi-pole multi-throw switch is large in insertion loss, high in price, large in size, capable of reducing the performance of a mobile terminal and capable of increasing the radio frequency power consumption of the mobile terminal.
In order to solve the technical problem, the present application is implemented as follows:
in a first aspect, a radio frequency circuit is provided, including: the antenna comprises a radio frequency transceiver, a first transceiver circuit, a second transceiver circuit, a third transceiver circuit, a switch device group and an antenna group;
the radio frequency transceiver is respectively connected with the first end of the first transceiver circuit, the first end of the second transceiver circuit and the first end of the third transceiver circuit; the second end of the first transceiver circuit, the second end of the second transceiver circuit and the second end of the third transceiver circuit are connected with the antenna group through the switch device group;
wherein the switching device group includes a plurality of double pole double throw switches.
In a second aspect, an electronic device is provided, comprising: the radio frequency circuit of the first aspect.
The embodiment of the application provides a radio frequency circuit, which comprises a radio frequency transceiver, a first transceiver circuit, a second transceiver circuit, a third transceiver circuit, a switch component and an antenna group, wherein the first transceiver circuit, the second transceiver circuit and the third transceiver circuit are respectively connected with the video transceiver and the switch component, the switch component is connected with the antenna group, and the switch component comprises a plurality of double-pole double-throw switches. The connection between the radio frequency transceiver of the electronic equipment and the antenna group can be realized through the double-pole double-throw switches, signals sent by the radio frequency transceiver are switched among the antennas in the antenna group through the double-pole double-throw switches, and the double-pole double-throw switches are small in size, so that the radio frequency transmitting and receiving performance of the mobile terminal is improved, and the radio frequency power consumption can be reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of a radio frequency circuit according to an embodiment of the present application;
fig. 2 is a circuit diagram of a radio frequency circuit provided by an embodiment of the present application;
in the figure, 10-radio frequency transceiver; 20-a first transceiving circuit; 30-a second transceiver circuit; 40-a third transceiver circuit; 50-a switch device group; 501-a first switch; 502-a second switch; 503-a third switch; 504-a fourth switch; 60-antenna group.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
The radio frequency circuit and the electronic device provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios thereof.
As shown in fig. 1-2, the radio frequency circuit may include: a radio frequency transceiver 10, a first transceiver circuit 20, a second transceiver circuit 30, a third transceiver circuit 40, a switch device group 50 and an antenna group 60.
Specifically, the radio frequency transceiver 10 is respectively connected to a first end of the first transceiver circuit 20, a first end of the second transceiver circuit 30, and a first end of the third transceiver circuit 40; the second terminal of the first transceiver circuit 20, the second terminal of the second transceiver circuit 30, and the second terminal of the third transceiver circuit 40 are all connected to the antenna set 60 through the switch device set 50.
Wherein the switching device group 50 includes a plurality of double pole double throw switches.
In the embodiment of the present application, the radio frequency circuit includes a radio frequency transceiver 10, a first transceiver circuit 20, a second transceiver circuit 30, a third transceiver circuit 40, a switch component 50, and an antenna group 60, where the first transceiver circuit 20, the second transceiver circuit 30, and the third transceiver circuit 40 are respectively connected to the video transceiver and the switch component, the switch component is connected to the antenna group 60, and the switch component includes a plurality of double-pole double-throw switches. The connection between the radio frequency transceiver 10 of the electronic device and the antenna group 60 can be realized through a plurality of double-pole double-throw switches, signals sent by the radio frequency transceiver 10 are switched among a plurality of antennas in the antenna group 60 through the plurality of double-pole double-throw switches, and the double-pole double-throw switches are small in size, so that the radio frequency transmitting and receiving performance of the mobile terminal is improved, and the radio frequency power consumption can be reduced.
In one possible embodiment of the present application, as shown in fig. 2, the switch device group 50 may include a first switch 501, a second switch 502, a third switch 503, and a fourth switch 504.
Specifically, a first end of the first switch 501 is connected to a second end of the first transceiver circuit 20, and a second end of the first switch 501 is connected to the antenna group 60; a first end of the second switch 502 is connected to the rf transceiver 10, and a second end of the second switch 502 is connected to a first end of the second transceiver circuit 30 and a first end of the third transceiver circuit 40, respectively; a first end of the third switch 503 is connected to a second end of the second transceiver circuit 30, and a second end of the third switch 503 is connected to the antenna group 60; a first terminal of the fourth switch 504 is connected to a second terminal of the third transceiver circuit 40, and a second terminal of the fourth switch 504 is connected to the antenna set 60.
In the embodiment of the application, the function of supporting switching of 1-path TX signals of any TX signal on a 2-path TX signal mobile terminal on 4 antennas is realized through the second switch 502, the third switch 503 and the fourth switch 504, the device path insertion loss and the wiring insertion loss in a circuit board are reduced, the radio frequency transmitting and receiving performance of the mobile terminal is improved, and the radio frequency loss is reduced.
Further, one end of the second switch 502 is connected to the rf transceiver, and the other end is connected to the transmitting module of the second transceiver circuit 30 and the transmitting module of the third transceiver circuit 40, respectively, so that the two transmitting modules of the rf transceiver 10 can be switched to the two transmitting modules through the double-pole double-throw switch, and then the switching between the antennas is realized through the third switch 503 and the fourth switch 504. The two modules of the radio frequency transceiver 10 may be switched between antennas connected to the third switch 503 through the third switch 503, and may also be switched between antennas connected to the fourth switch 504 through the fourth switch 504. Therefore, two transmission signals transmitted from the radio frequency transceiver 10 can be switched between the plurality of antennas connected to the third switch 503 and the fourth switch 504, and the function of switching 1 TX signal on 4 antennas is realized.
In one possible embodiment of the present application, antenna group 60 may include a first antenna and a second antenna.
Specifically, the first antenna is connected to the second end of the first switch 501; the second antenna is connected to a third switch 503 and a fourth switch 504, respectively.
The first antenna may be a 4G antenna, the second antenna may be a 5G NR antenna, and the first antenna and the second antenna may also be other types of antennas, which may be determined according to actual situations.
In an embodiment of the present application, antenna group 60 may include: an intermediate frequency antenna and a high frequency antenna.
Since the radio frequency transceiver 10 can transmit or receive signals of different frequencies, the antenna also includes antennas of different frequencies, such as an intermediate frequency antenna, a high frequency antenna.
In the embodiment of the present application, the high frequency generally refers to a radio frequency band with an operating frequency above 2300MHz, and the intermediate frequency generally refers to a radio frequency band with an operating frequency between 1250MHz and 2250 MHz.
In one possible embodiment of the present application, the first transceiver circuit 20 may include: the device comprises a first transceiver module and a first receiving module.
Specifically, a first end of the first transceiver module and a first end of the first receiving module are both connected to the rf transceiver 10, and a second end of the first transceiver module and a second end of the first receiving module are both connected to the first switch 501.
In the embodiment of the present application, the first transceiver circuit 20 may be a 4G circuit, and the first transceiver module may be a 4G _ TX/PRX (transmit/receive part of primary set) for transmitting a 4G signal and receiving a main part of the 4G signal received by the antenna; the first receiving module may be 4G _ DRX (diversity reception part) to receive the remaining part of the 4G signal. Correspondingly, the antenna connected to the first transceiver circuit 20 is also a 4G antenna for transmitting and receiving 4G signals.
In one possible embodiment of the present application, the second transceiver circuit 30 may include: the second transceiver module and the second receiving module.
Specifically, a first end of the second transceiver module is connected to the rf transceiver 10 and a second end of the second switch 502, respectively, and the second end of the second transceiver module is connected to a first end of the third switch 503; a first terminal of the second receiving module is connected to the rf transceiver 10, and a second terminal of the second receiving module is connected to a first terminal of the third switch 503.
In the embodiment of the present application, the second transceiver circuit 30 may be a 5G circuit, and accordingly, the antenna connected to the second transceiver circuit 30 is a 5G antenna for transmitting and receiving 5G signals.
In one possible embodiment of the present application, the third transceiver circuit 40 may include: a third transceiver module and a third receiving module.
Specifically, a first end of the third transceiver module is connected to the second end of the second switch 502 and the radio frequency transceiver 10, respectively, and a second end of the third transceiver module is connected to a first end of the fourth switch 504; a first terminal of the third receiving module is connected to the rf transceiver 10, and a second terminal of the third receiving module is connected to a first terminal of the fourth switch 504.
In the embodiment of the present application, the third transceiver circuit 40 may be a 5G circuit, and accordingly, the antenna connected to the third transceiver circuit 40 is a 5G antenna, so as to transmit and receive 5G signals.
The 5G NR signal sent by the radio frequency transceiver 10 may be sent to the second transceiver module and the third transceiver module through the second switch 502, and then switched among the first NR antenna, the second NR antenna, the third NR antenna, and the fourth NR antenna connected to the third switch 503 and the fourth switch 504 through the third switch 503 and the fourth switch 504, so as to implement the function of switching 1 TX signal on 4 antennas.
Furthermore, the above embodiment employs three DPDT (double pole double throw) switches, that is, the second switch 502, the third switch 503 and the fourth switch 504, so that the routing on the circuit board is flexible, the double pole double throw switches can be respectively placed close to the antennas corresponding to the respective circuits, and it is ensured that the routing of each antenna to the transceiver module and the receiver module can be shortest, thereby ensuring that the insertion loss of the circuit board routing is minimum.
In one possible embodiment of the present application, the second transceiver module and the third transceiver module may each include: the low noise amplifier, the first power amplifier, the single-pole double-throw switch, the first filter and the coupler.
Specifically, the input end of the low noise amplifier is connected with the first moving contact of the single-pole double-throw switch, and the output end of the low noise amplifier is connected with the radio frequency transceiver 10; the input end of the first power amplifier is connected with the second end of the second switch 502, and the output end of the first power amplifier is connected with the second movable contact of the single-pole double-throw switch; the fixed contact of the single-pole double-throw switch is connected with the first end of the first filter; the second end of the first filter is connected to the first end of the coupler.
Further, the first transceiver module may also include: the low noise amplifier, the first power amplifier, the single-pole double-throw switch, the first filter and the coupler. The specific connection structure is similar to the above connection structure.
In the embodiment of the application, the clutter in the signal can be filtered by adopting the structure, so that the received and transmitted signal is more accurate.
In one possible embodiment of the present application, the second receiving module and the third receiving module may each include: a second power amplifier and a second filter.
Specifically, a first terminal of the second power amplifier is connected to the radio frequency transceiver 10, and a second terminal of the second power amplifier is connected to the second filter.
Further, the first receiving module may also include: a second power amplifier and a second filter. The specific connection structure is similar to the above connection structure.
In the embodiment of the application, the received signal can be more accurate by adopting the structure.
The present application further provides an electronic device, including: a radio frequency circuit as in any one of the above embodiments. The functions of the radio frequency circuit can be realized, the same effect can be achieved, and the details are not repeated here to avoid repetition.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present application may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present application.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A radio frequency circuit, comprising: the antenna comprises a radio frequency transceiver, a first transceiver circuit, a second transceiver circuit, a third transceiver circuit, a switch device group and an antenna group;
the radio frequency transceiver is respectively connected with the first end of the first transceiver circuit, the first end of the second transceiver circuit and the first end of the third transceiver circuit; the second end of the first transceiver circuit, the second end of the second transceiver circuit and the second end of the third transceiver circuit are connected with the antenna group through the switch device group;
wherein the switching device group includes a plurality of double pole double throw switches.
2. The circuit of claim 1, wherein the set of switching devices comprises a first switch, a second switch, a third switch, and a fourth switch;
a first end of the first switch is connected with a second end of the first transceiver circuit, and a second end of the first switch is connected with the antenna group;
a first end of the second switch is connected with the radio frequency transceiver, and a second end of the second switch is respectively connected with a first end of the second transceiver circuit and a first end of the third transceiver circuit;
a first end of the third switch is connected to a second end of the second transceiver circuit, and a second end of the third switch is connected to the antenna group;
a first end of the fourth switch is connected to a second end of the third transceiver circuit, and a second end of the fourth switch is connected to the antenna group.
3. The circuit of claim 2, wherein the antenna group comprises a first antenna and a second antenna;
the first antenna is connected with the second end of the first switch; the second antenna is connected to the third switch and the fourth switch, respectively.
4. The circuit of claim 1, wherein the antenna group comprises: an intermediate frequency antenna and a high frequency antenna.
5. The circuit of claim 2, wherein the first transceiver circuit comprises: the device comprises a first transceiver module and a first receiving module;
the first end of the first transceiver module and the first end of the first receiving module are both connected with the radio frequency transceiver, and the second end of the first transceiver module and the second end of the first receiving module are both connected with the first switch.
6. The circuit of claim 2, wherein the second transceiver circuit comprises: the second receiving and transmitting module and the second receiving module;
a first end of the second transceiver module is connected with the radio frequency transceiver and a second end of the second switch respectively, and the second end of the second transceiver module is connected with a first end of the third switch;
the first end of the second receiving module is connected with the radio frequency transceiver, and the second end of the second receiving module is connected with the first end of the third switch.
7. The circuit of claim 2, wherein the third transceiver circuit comprises: a third transceiver module and a third receiving module;
a first end of the third transceiver module is connected to the second end of the second switch and the radio frequency transceiver respectively, and a second end of the third transceiver module is connected to the first end of the fourth switch;
the first end of the third receiving module is connected with the radio frequency transceiver, and the second end of the third receiving module is connected with the first end of the fourth switch.
8. The circuit of claim 6 or 7, wherein the second transceiver module and the third transceiver module each comprise: the low noise amplifier, the first power amplifier, the single-pole double-throw switch, the first filter and the coupler;
the input end of the low noise amplifier is connected with the first movable contact of the single-pole double-throw switch, and the output end of the low noise amplifier is connected with the radio frequency transceiver;
the input end of the first power amplifier is connected with the second end of the second switch, and the output end of the first power amplifier is connected with the second movable contact of the single-pole double-throw switch;
the fixed contact of the single-pole double-throw switch is connected with the first end of the first filter;
the second end of the first filter is connected to the first end of the coupler.
9. The circuit of claim 6 or 7, wherein the second receiving module and the third receiving module each comprise: a second power amplifier and a second filter;
the first end of the second power amplifier is connected with the radio frequency transceiver, and the second end of the second power amplifier is connected with the second filter.
10. An electronic device, comprising: a radio frequency circuit as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110117809.2A CN112886973B (en) | 2021-01-28 | 2021-01-28 | Radio frequency circuit and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110117809.2A CN112886973B (en) | 2021-01-28 | 2021-01-28 | Radio frequency circuit and electronic equipment |
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| CN112886973A true CN112886973A (en) | 2021-06-01 |
| CN112886973B CN112886973B (en) | 2022-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110117809.2A Active CN112886973B (en) | 2021-01-28 | 2021-01-28 | Radio frequency circuit and electronic equipment |
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| CN113489503A (en) * | 2021-07-01 | 2021-10-08 | 维沃移动通信有限公司 | Radio frequency architecture and electronic device |
| CN115037325A (en) * | 2022-04-29 | 2022-09-09 | 立讯电子科技（昆山）有限公司 | Radio frequency transceiving component, radio frequency signal transceiving method and electronic equipment |
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| CN113489503A (en) * | 2021-07-01 | 2021-10-08 | 维沃移动通信有限公司 | Radio frequency architecture and electronic device |
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| CN115037325A (en) * | 2022-04-29 | 2022-09-09 | 立讯电子科技（昆山）有限公司 | Radio frequency transceiving component, radio frequency signal transceiving method and electronic equipment |
| CN115037325B (en) * | 2022-04-29 | 2023-11-28 | 立讯电子科技（昆山）有限公司 | Radio frequency receiving and transmitting assembly, radio frequency signal receiving and transmitting method and electronic equipment |
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| Publication number | Publication date |
|---|---|
| CN112886973B (en) | 2022-08-26 |
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